16559271627 has 4 divisors (see below), whose sum is σ = 22079028840. Its totient is φ = 11039514416.

The previous prime is 16559271623. The next prime is 16559271683. The reversal of 16559271627 is 72617295561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16559271627 - 2² = 16559271623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16559271627.

It is not an unprimeable number, because it can be changed into a prime (16559271623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2759878602 + ... + 2759878607.

It is an arithmetic number, because the mean of its divisors is an integer number (5519757210).

Almost surely, 2^16559271627 is an apocalyptic number.

16559271627 is a deficient number, since it is larger than the sum of its proper divisors (5519757213).

16559271627 is an equidigital number, since it uses as much as digits as its factorization.

16559271627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519757212.

The product of its digits is 1587600, while the sum is 51.

The spelling of 16559271627 in words is "sixteen billion, five hundred fifty-nine million, two hundred seventy-one thousand, six hundred twenty-seven".